Buffalo National River is a long, narrow park that is crossed by three main highways. Using Harrison as a starting point: To reach the Upper District, visitors travel south from Harrison on Highway 7, or Highway 43; To reach the Middle District, visitors travel 31 miles south of Harrison on Highway 65; To reach the Lower District, visitors take Highway 65 south from Harrison for five miles, then take Highway 62/412 to the east to Yellville, and Highway 14 south.